415426051021 has 2 divisors, whose sum is σ = 415426051022. Its totient is φ = 415426051020.

The previous prime is 415426051009. The next prime is 415426051099. The reversal of 415426051021 is 120150624514.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415367360100 + 58690921 = 644490^2 + 7661^2 .

It is a cyclic number.

It is not a de Polignac number, because 415426051021 - 2¹⁵ = 415426018253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415426052021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207713025510 + 207713025511.

It is an arithmetic number, because the mean of its divisors is an integer number (207713025511).

Almost surely, 2^415426051021 is an apocalyptic number.

It is an amenable number.

415426051021 is a deficient number, since it is larger than the sum of its proper divisors (1).

415426051021 is an equidigital number, since it uses as much as digits as its factorization.

415426051021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 415426051021 its reverse (120150624514), we get a palindrome (535576675535).

The spelling of 415426051021 in words is "four hundred fifteen billion, four hundred twenty-six million, fifty-one thousand, twenty-one".